Silver sulfide nanoparticles in aqueous environments: formation, transformation and toxicity
Formation and transformation of silver sulfide nanoparticles occur in both engineered and natural water systems with potential toxic effects to aqueous organisms.
Aggregation morphology is a key factor determining protein adsorption on graphene oxide and reduced graphene oxide nanomaterials
The surface properties of graphene-based materials determine their protein-binding capacities via modulating the aggregation morphology of these materials.
Tracing of iron nanoparticles using an elemental signatures approach: laboratory and field-scale verification
A new analytical approach for environmental tracing of iron nanoparticles used for nanoremediation has been developed. The methodology is based on ICP-MS analysis of the elemental signature of the nanoparticles.
A model sensitivity analysis to determine the most important physicochemical properties driving environmental fate and exposure of engineered nanoparticles
Sensitivity analyses indicate attachment efficiency and transformation rate constant are most important in modeling environmental fate of engineered nanoparticles.
Transformation of cerium dioxide nanoparticles during sewage sludge incineration
The incineration of sewage sludge leads to the incorporation of Ce from CeO2 nanoparticles into mineral structures.
“Switching on” iron in clay minerals
We discovered a new mechanism explaining why iron in its oxidized form Fe(III) in clay minerals is reactive only in the presence of trace amounts of its reduced form—Fe(II).
Heterogeneous conversion of SO2 on nano α-Fe2O3: the effects of morphology, light illumination and relative humidity
Hematite is one of the most important components in atmospheric mineral aerosols, which always presents different morphologies due to its different formation processes and various sources.
Transformation of Ag ions into Ag nanoparticle-loaded AgCl microcubes in the plant root zone
Silver ions can be naturally transformed into silver nanoparticles due to the plant root exudate-mediated photoreduction of silver chloride microcubes.
Nano zero-valent iron aging interacts with the soil microbial community: a microcosm study
This study is among the first to reveal nZVI aging in the soil ecosystem and its interactions with the soil microbial community.
Ferrihydrite transformation under the impact of humic acid and Pb: kinetics, nanoscale mechanisms, and implications for C and Pb dynamics
We, at nanoscale, demonstrated a visualized description of ferrihydrite transformation to crystalline Fe oxides under the impact of Pb and HA.
Comparative assessment of the phase transfer behaviour of InP/ZnS and CuInS/ZnS quantum dots and CdSe/ZnS quantum dots under varying environmental conditions
It is vital to assess the behavior of quantum dots in different environmental media to determine their environmental impacts and potential health risks.
Transformation of silver nanoparticle consumer products during simulated usage and disposal
Sequential exposure of silver nanoparticle suspensions to various media gives new insight to the environmental fate of nano-enabled consumer products.
Determination of the bioaccessible fraction of cupric oxide nanoparticles in soils using an in vitro human digestibility simulation
This study looks at the potential for ingested nanomaterials dosed in soil, to become bioaccessible for human intestinal absorption.
Natural organic matter inhibits aggregation of few-layered black phosphorus in mono- and divalent electrolyte solutions
NOM coating enabled stabilization of BPs in CaCl2 solutions via steric repulsion and isolating Ca2+ ions from interaction with BPs.
Displacement reactions between environmentally and biologically relevant ligands on TiO2 nanoparticles: insights into the aging of nanoparticles in the environment
Coatings on nanoparticle (NP) surfaces play a key role in dictating their behavior in the environment.
Nanoparticle aggregation in a freshwater river: the role of engineered surface coatings
Surface coatings applied to ENPs alter eco-corona formation in complex aquatic matrices, affecting homo- and heteroaggregation processes and environmental fate.
Influence of realistic wearing on the morphology and release of silver nanomaterials from textiles
The recent commercialisation of antimicrobial textiles has resulted in concern regarding the incidental release of silver nanomaterials (Ag-NMs) to the environment.
Photolysis of graphene oxide in the presence of nitrate: implications for graphene oxide integrity in water and wastewater treatment
As the nitrate concentration increases, the dominant pathway of GO transformation changes from direct photolysis to indirect photolysis enhanced by the production of hydroxyl radicals (˙OH) during UV irradiation of nitrate.
Searching for relevant criteria to distinguish natural vs. anthropogenic TiO2 nanoparticles in soils
The morphology of TiO2 particles and their status within soil aggregates may provide insights on their origin.
Mechanism for sulfidation of silver nanoparticles by copper sulfide in water under aerobic conditions
Ag-NP sulfidation by CuS-NP proceeds under aerobic conditions through cation exchange reactions between CuS-NP and the O2-dependent released silver ions.
Influence of organic compounds on the sulfidation of copper oxide nanoparticles
Organic compounds affect the formation and stability of CuO-NP sulfidation products.
Biodissolution and cellular response to MoO3 nanoribbons and a new framework for early hazard screening for 2D materials
A new 2D nanomaterial testing prioritization framework based on media specific chemical behavior.
Influence of light wavelength on the photoactivity, physicochemical transformation, and fate of graphene oxide in aqueous media
The physicochemical characteristics of GO are significantly changed under the UV/vis fraction of solar light, which affects GO's environmental fate.
Modeling reactive transport of polydisperse nanoparticles: assessment of the representative particle approach
Our goal was to characterize the uncertainty in the estimates of the mobility and reactivity of polydisperse nanocolloids introduced into computations when a distribution of particle sizes is replaced with a representative particle diameter through ensemble averaging.
Theoretical insight into the adsorption of aromatic compounds on graphene oxide
Two patterns for the multilayer adsorption.
QCM-D and NanoTweezer measurements to characterize the effect of soil cellulase on the deposition of PEG-coated TiO2 nanoparticles in model subsurface environments
Complementary QCM-D and NanoTweezer measurements are used to examine the impact of a ubiquitous soil enzyme on nanoparticle–surface interactions.
Surface adsorption of Nordic aquatic fulvic acid on amine-functionalized and non-functionalized mesoporous silica nanoparticles
Mesoporous silica nanoparticles (MSNs) have the potential to be released into the environment and to then adsorb natural organic matter.
Exploring adsorption of neutral aromatic pollutants onto graphene nanomaterials via molecular dynamics simulations and theoretical linear solvation energy relationships
TLSER models were developed for the first time to predict the adsorption equilibrium coefficients onto graphene and graphene oxide nanosheets.
Aggregation and sedimentation of shattered graphene oxide nanoparticles in dynamic environments: a solid-body rotational approach
Nanoparticle (NP) aggregation is typically investigated in either quiescent or turbulent mixing conditions; neither is fully representative of dynamic natural environments.
Emerging investigator series: heterogeneous reactions of sulfur dioxide on mineral dust nanoparticles: from single component to mixed components
Synergistic effects of the heterogeneous reaction of sulfur dioxide on mineral dust nanoparticle mixtures.
Release, detection and toxicity of fragments generated during artificial accelerated weathering of CdSe/ZnS and CdSe quantum dot polymer composites
Released QD–PMMA microplastic toxic to S. oneidensis.
Different effects of nano-scale and micro-scale zero-valent iron particles on planktonic microorganisms from natural reservoir water
This study compares the effect of nanoscale and microscale zerovalent iron on natural freshwater microplankton over 21 days.
Abiotic photomineralization and transformation of iron oxide nanominerals in aqueous systems
Iron oxide nanominerals are generated by photocatalytic oxidation of Fe2+aq, and Fe2+aq promotes the transformation of the photochemically synthesized schwertmannite.
Sulfidation mechanisms of Fe(III)-(oxyhydr)oxide nanoparticles: a spectroscopic study
We used synchrotron-based X-ray absorption spectroscopy, transmission electron microscopy, and wet chemical analyses to study the sulfidation mechanism(s) and sulfur oxidation products from the reaction of ferrihydrite, goethite, and hematite nanoparticles with dissolved sulfide at different S/Fe molar ratios under anaerobic condition.
Gold core-labeled TiO2 nanoparticles for tracking behavior in complex matrices: synthesis, characterization, and demonstration
Gold core-labeled TiO2 nanoparticles can be a tool for studying TiO2 nanoparticle behavior in complex matrices containing background titanium.
Environmental fate of nanopesticides: durability, sorption and photodegradation of nanoformulated clothianidin
A lot of research efforts are currently dedicated to the development of nano-enabled agrochemicals. It is thus urgent to develop suitable strategies for their ecological assessment.
Natural organic matter composition determines the molecular nature of silver nanomaterial-NOM corona
Properties of NOM-corona formulas forming AgNOM-corona determined by FT-ICR-MS.
Heteroaggregation of nanoplastic particles in the presence of inorganic colloids and natural organic matter
The presence and accumulation of micro- and nanoplastics in marine and fresh waters represent a huge environmental concern.
Sulfidation of nanoscale zerovalent iron in the presence of two organic macromolecules and its effects on trichloroethene degradation
Sulfidation of nanoscale zerovalent iron (NZVI) enhances its reactivity to chlorinated organic contaminants such as trichloroethene (TCE).
Emission and fate modelling framework for engineered nanoparticles in urban aquatic systems at high spatial and temporal resolution
The combination of emission and fate modelling improves the exposure assessment of engineered nanoparticles in complex urban systems.
About this collection
This web collection includes research articles published in Environmental Science: Nano featuring nanomaterial environmental fate studies.